Draw the polar coordinates `(2, (pi)/(3)), (-2,(pi)/(3)), (-2,-(pi)/(3))` and `(2, -(pi)/(3))` on the plane.

Draw the polar oordinate (3,(5pi)/(4)) on the plane.

2sin((2 pi)/(6))+cosec^(2)((pi)/(6))*cos^(2)((pi)/(3))=?

"sin^(2)(pi)/(6)+cos^(2)(pi)/(3)-tan^(2)(pi)/(4)=-(1)/(2)"

Which one of the following triplets CANNOT be the angles made by a line in space with the three coordinate axes? a. (pi/4,(3pi)/4,pi/2) b. (pi/4,pi/3,(2pi)/3) c. (pi/3,(3pi)/4,pi/3) d. (pi/4,pi/3,pi/4)

Plot the poitns whose coordinate are given below. (i) (2,3pi) (ii) (2,-2pi//3) (iii) (-3,3pi//4) .

2sin^(2)""(pi)/(6)+cosec^(2)""(7pi)/(6) cos^(2)""(pi)/(3)=(3)/(2)

The value of the determinant |(sintheta, costheta, sin2theta) , (sin(theta+(2pi)/3), cos(theta+(2pi)/3), sin(2theta+(4pi)/3)) , (sin(theta-(2pi)/3), cos(theta-(2pi)/3), sin(2theta-(4pi)/3))|

The principal value of sin^(-1)(sin((2pi)/3)) is (a) -(2pi)/3 (b) (2pi)/3 (c) (4pi)/3 (d) (5pi)/3 (e) none of these

Prove that : cos^(2)x+cos^(2)(x+(pi)/(3))+cos^(2)(x-(pi)/(3))=(3)/(2)

Prove that: 2sin^(2)((pi)/(6))+cosec^(2)((7 pi)/(6))cos^(2)((pi)/(3))=(3)/(2)